Hi!

quoted text
> Short of a satisfying proposition regarding the questions raised, I just
> want to add two things that would be nice to solve in the future one way
> or another and should perhaps be taken into consideration from the
> beginning:
> 
> 1. Disable polling completely when it isn't required: once the hd has
>    spun down, there is no need to keep polling the sensors at all. Only
>    when the first request requiring the hd to spin up arrives, the
>    kernel needs to hold back for a short while to gather enough data
>    from the sensors, so shock protection is up and running again.

hdparm can already tell if disk is spinning or not. As userland is
polling, already, that may be enough?

quoted text
> 2. Make shock protection interact nicely with suspend operations:
>    currently, we are out of luck if anything should happen after
>    processes have been frozen. This is particularly unfortunatel in the
>    case of s2disk.

I'd say that s2disk is similar to early boot... no protection there. 
-- 
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(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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